Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1987-08-27
1989-01-31
Pertilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524396, 524570, 524583, 524584, 528485, 528486, C08K 509
Patent
active
048016373
ABSTRACT:
The present invention relates to a process for nucleating olefin polymers prepared with high activity MgCl.sub.2 -supported Ti procatalysts and aluminum alkyl cocatalysts, the process involving heat treating the olefin polymers after polymerization and before melt compounding with an alcoholic solution of an aromatic carboxylic acid.
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"Heterogeneous Nucleation in the Crystallization of Polyolefins: Part I, Chemical and Physical Nature of Nucleating Agents", F. L. Binsbergen, Polymer, 11, pp. 253-267 (1970).
Pertilla Theodore E.
Shell Oil Company
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